NetBSD-5.0.2/usr.sbin/acpitools/aml/aml_region.c
/* $NetBSD: aml_region.c,v 1.1 2007/01/14 04:36:13 christos Exp $ */
/*-
* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
* Copyright (c) 2000 Munehiro Matsuda <haro@tk.kubota.co.jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Id: aml_region.c,v 1.10 2000/08/09 14:47:44 iwasaki Exp
* $FreeBSD: src/usr.sbin/acpi/amldb/aml/aml_region.c,v 1.5 2000/11/09 06:24:45 iwasaki Exp $
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: aml_region.c,v 1.1 2007/01/14 04:36:13 christos Exp $");
/*
* Region I/O subroutine
*/
#include "opt_acpi.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <aml/aml_common.h>
#include <aml/aml_region.h>
#include <aml/aml_name.h>
#ifndef ACPI_NO_OSDFUNC_INLINE
#include <machine/acpica_osd.h>
#endif
/*
* Dummy functions for aml_region_io_simple()
*/
u_int32_t
aml_region_prompt_read(struct aml_region_handle *h, u_int32_t value)
{
return (value);
}
u_int32_t
aml_region_prompt_write(struct aml_region_handle *h, u_int32_t value)
{
return (value);
}
int
aml_region_prompt_update_value(u_int32_t orgval, u_int32_t value,
struct aml_region_handle *h)
{
return (0);
}
/*
* Primitive functions for aml_region_io_simple()
*/
int
aml_region_read_simple(struct aml_region_handle *h, vm_offset_t offset, u_int32_t *valuep)
{
u_int32_t value;
switch (h->regtype) {
case AML_REGION_SYSMEM:
/* XXX should be MI */
switch (h->unit) {
case 1:
value = *(volatile u_int8_t *)(h->vaddr + offset);
value &= 0xff;
break;
case 2:
value = *(volatile u_int16_t *)(h->vaddr + offset);
value &= 0xffff;
break;
case 4:
value = *(volatile u_int32_t *)(h->vaddr + offset);
break;
}
break;
case AML_REGION_SYSIO:
switch (h->unit) {
case 1:
value = OsdIn8(h->addr + offset);
value &= 0xff;
break;
case 2:
value = OsdIn16(h->addr + offset);
value &= 0xffff;
break;
case 4:
value = OsdIn32(h->addr + offset);
break;
}
break;
case AML_REGION_PCICFG:
switch (h->unit) {
case 1:
OsdReadPciCfgByte(h->pci_bus, h->pci_devfunc,
h->addr + offset, (UINT8 *)&value);
value &= 0xff;
break;
case 2:
OsdReadPciCfgWord(h->pci_bus, h->pci_devfunc,
h->addr + offset, (UINT16 *)&value);
value &= 0xffff;
break;
case 4:
OsdReadPciCfgDword(h->pci_bus, h->pci_devfunc,
h->addr + offset, &value);
break;
}
break;
default:
printf("aml_region_read_simple: not supported yet (%d)\n",
h->regtype);
value = 0;
break;
}
*valuep = value;
return (0);
}
int
aml_region_write_simple(struct aml_region_handle *h, vm_offset_t offset, u_int32_t value)
{
switch (h->regtype) {
case AML_REGION_SYSMEM:
/* XXX should be MI */
switch (h->unit) {
case 1:
value &= 0xff;
*(volatile u_int8_t *)(h->vaddr + offset) = value;
break;
case 2:
value &= 0xffff;
*(volatile u_int16_t *)(h->vaddr + offset) = value;
break;
case 4:
*(volatile u_int32_t *)(h->vaddr + offset) = value;
break;
}
break;
case AML_REGION_SYSIO:
switch (h->unit) {
case 1:
value &= 0xff;
OsdOut8(h->addr + offset, value);
break;
case 2:
value &= 0xffff;
OsdOut16(h->addr + offset, value);
break;
case 4:
OsdOut32(h->addr + offset, value);
break;
}
break;
case AML_REGION_PCICFG:
switch (h->unit) {
case 1:
OsdWritePciCfgByte(h->pci_bus, h->pci_devfunc,
h->addr + offset, value);
break;
case 2:
OsdWritePciCfgWord(h->pci_bus, h->pci_devfunc,
h->addr + offset, value);
break;
case 4:
OsdWritePciCfgDword(h->pci_bus, h->pci_devfunc,
h->addr + offset, value);
break;
}
break;
default:
printf("aml_region_write_simple: not supported yet (%d)\n",
h->regtype);
break;
}
return (0);
}
static int
aml_region_io_buffer(boolean_t io, int regtype, u_int32_t flags,
u_int8_t *buffer, u_int32_t baseaddr, u_int32_t bitoffset, u_int32_t bitlen)
{
vm_offset_t addr, vaddr;
size_t len;
const char *funcname[] = {
"aml_region_read_into_buffer",
"aml_region_write_from_buffer"
};
if (regtype != AML_REGION_SYSMEM) {
printf("%s: region type isn't system memory!\n", funcname[io]);
return (-1);
}
if (bitlen % 8) {
printf("%s: bit length isn't a multiple of 8!\n", funcname[io]);
}
if (bitoffset % 8) {
printf("%s: bit offset isn't a multiple of 8!\n", funcname[io]);
}
addr = baseaddr + bitoffset / 8;
len = bitlen / 8 + ((bitlen % 8) ? 1 : 0);
OsdMapMemory((void *)addr, len, (void **)&vaddr);
switch (io) {
case AML_REGION_INPUT:
bcopy((void *)vaddr, (void *)buffer, len);
break;
case AML_REGION_OUTPUT:
bcopy((void *)buffer, (void *)vaddr, len);
break;
}
OsdUnMapMemory((void *)vaddr, len);
return (0);
}
u_int32_t
aml_region_read(struct aml_environ *env, int regtype, u_int32_t flags,
u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
{
int value;
int state;
AML_REGION_READ_DEBUG(regtype, flags, addr, bitoffset, bitlen);
state = aml_region_io(env, AML_REGION_INPUT, regtype,
flags, &value, addr, bitoffset, bitlen);
AML_SYSASSERT(state != -1);
return (value);
}
int
aml_region_read_into_buffer(struct aml_environ *env, int regtype,
u_int32_t flags, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen,
u_int8_t *buffer)
{
int state;
AML_REGION_READ_INTO_BUFFER_DEBUG(regtype, flags, addr, bitoffset, bitlen);
state = aml_region_io_buffer(AML_REGION_INPUT, regtype, flags,
buffer, addr, bitoffset, bitlen);
return (state);
}
int
aml_region_write(struct aml_environ *env, int regtype, u_int32_t flags,
u_int32_t value, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
{
int state;
AML_REGION_WRITE_DEBUG(regtype, flags, value, addr, bitoffset, bitlen);
state = aml_region_io(env, AML_REGION_OUTPUT, regtype,
flags, &value, addr, bitoffset, bitlen);
AML_SYSASSERT(state != -1);
return (state);
}
int
aml_region_write_from_buffer(struct aml_environ *env, int regtype,
u_int32_t flags, u_int8_t *buffer, u_int32_t addr, u_int32_t bitoffset,
u_int32_t bitlen)
{
int state;
AML_REGION_WRITE_FROM_BUFFER_DEBUG(regtype, flags,
addr, bitoffset, bitlen);
state = aml_region_io_buffer(AML_REGION_OUTPUT, regtype, flags,
buffer, addr, bitoffset, bitlen);
return (state);
}
int
aml_region_bcopy(struct aml_environ *env, int regtype,
u_int32_t flags, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen,
u_int32_t dflags, u_int32_t daddr, u_int32_t dbitoffset, u_int32_t dbitlen)
{
vm_offset_t from_addr, from_vaddr;
vm_offset_t to_addr, to_vaddr;
size_t len;
AML_REGION_BCOPY_DEBUG(regtype, flags, addr, bitoffset, bitlen,
dflags, daddr, dbitoffset, dbitlen);
if (regtype != AML_REGION_SYSMEM) {
printf("aml_region_bcopy: region type isn't system memory!\n");
return (-1);
}
if ((bitlen % 8) || (dbitlen % 8)) {
printf("aml_region_bcopy: bit length isn't a multiple of 8!\n");
}
if ((bitoffset % 8) || (dbitoffset % 8)) {
printf("aml_region_bcopy: bit offset isn't a multiple of 8!\n");
}
from_addr = addr + bitoffset / 8;
to_addr = daddr + dbitoffset / 8;
len = (bitlen > dbitlen) ? dbitlen : bitlen;
len = len / 8 + ((len % 8) ? 1 : 0);
OsdMapMemory((void *)from_addr, len, (void **)&from_vaddr);
OsdMapMemory((void *)to_addr, len, (void **)&to_vaddr);
bcopy((void *)from_vaddr, (void *)to_vaddr, len);
OsdUnMapMemory((void *)from_vaddr, len);
OsdUnMapMemory((void *)to_vaddr, len);
return (0);
}